(0 20 18)(1 9 2)(3 21 5)(4 11 7)(6 19 17 15 12 10 8)(13 16 14)
ALLOWS (11/8)-SEQUENCE
1: (0 4 11)
(0 7 4 20 18)(1 9 2)(3 21 5)(6 19 17 15 12 10 8)(11)(13 16 14)
2: (3 21 5)
(0 7 4 20 18)(1 9 2)(3)(5)(6 19 17 15 12 10 8)(11)(13 16 14)(21)
3: (4 20 7)
(0 7 18)(1 9 2)(3)(4)(5)(6 19 17 15 12 10 8)(11)(13 16 14)(20)(21)
4: (6 19 8)
(0 7 18)(1 9 2)(3)(4)(5)(6)(8 17 15 12 10)(11)(13 16 14)(19)(20)(21)